--- zzzz-none-000/linux-3.10.107/arch/arm/mach-s3c64xx/mach-hmt.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-s3c64xx/mach-hmt.c	2021-02-04 17:41:59.000000000 +0000
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
@@ -18,6 +19,7 @@
 #include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/leds.h>
+#include <linux/pwm.h>
 #include <linux/pwm_backlight.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -33,12 +35,11 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <plat/regs-serial.h>
 #include <linux/platform_data/i2c-s3c2410.h>
+#include <mach/gpio-samsung.h>
 #include <plat/fb.h>
 #include <linux/platform_data/mtd-nand-s3c2410.h>
 
-#include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/samsung-time.h>
@@ -73,6 +74,11 @@
 	},
 };
 
+static struct pwm_lookup hmt_pwm_lookup[] = {
+	PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", NULL,
+		   1000000000 / (100 * 256 * 20), PWM_POLARITY_NORMAL),
+};
+
 static int hmt_bl_init(struct device *dev)
 {
 	int ret;
@@ -110,10 +116,9 @@
 }
 
 static struct platform_pwm_backlight_data hmt_backlight_data = {
-	.pwm_id		= 1,
 	.max_brightness	= 100 * 256,
 	.dft_brightness	= 40 * 256,
-	.pwm_period_ns	= 1000000000 / (100 * 256 * 20),
+	.enable_gpio	= -1,
 	.init		= hmt_bl_init,
 	.notify		= hmt_bl_notify,
 	.exit		= hmt_bl_exit,
@@ -123,7 +128,7 @@
 static struct platform_device hmt_backlight_device = {
 	.name		= "pwm-backlight",
 	.dev		= {
-		.parent	= &s3c_device_timer[1].dev,
+		.parent	= &samsung_device_pwm.dev,
 		.platform_data = &hmt_backlight_data,
 	},
 };
@@ -239,7 +244,7 @@
 	&s3c_device_nand,
 	&s3c_device_fb,
 	&s3c_device_ohci,
-	&s3c_device_timer[1],
+	&samsung_device_pwm,
 	&hmt_backlight_device,
 	&hmt_leds_device,
 };
@@ -247,7 +252,7 @@
 static void __init hmt_map_io(void)
 {
 	s3c64xx_init_io(hmt_iodesc, ARRAY_SIZE(hmt_iodesc));
-	s3c24xx_init_clocks(12000000);
+	s3c64xx_set_xtal_freq(12000000);
 	s3c24xx_init_uarts(hmt_uartcfgs, ARRAY_SIZE(hmt_uartcfgs));
 	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 }
@@ -267,6 +272,7 @@
 	gpio_request(S3C64XX_GPF(13), "usb power");
 	gpio_direction_output(S3C64XX_GPF(13), 1);
 
+	pwm_add_table(hmt_pwm_lookup, ARRAY_SIZE(hmt_pwm_lookup));
 	platform_add_devices(hmt_devices, ARRAY_SIZE(hmt_devices));
 }
 
@@ -276,7 +282,6 @@
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= hmt_map_io,
 	.init_machine	= hmt_machine_init,
-	.init_late	= s3c64xx_init_late,
 	.init_time	= samsung_timer_init,
 	.restart	= s3c64xx_restart,
 MACHINE_END